^ Pin     ^ Assignment        ^ Pin       ^ Assignment            ^ Pin       ^ Assignment       ^ Pin       ^ Assignment |
^ A1 (in) | S800 source       ^ B1 (out)  | Raw trigger           ^ C1 (in)   | Busy 1           ^ D1 (out)  | S800 source |
^ A2 (in) | Secondary source  ^ B2 (out)  | Live trigger          ^ C2 (in)   | Busy 2           ^ D2 (out)  | Secondary source |
^ A3 (in) | External 1 source ^ B3 (out)  | ADC gate              ^ C3 (in)   | Busy 3           ^ D3 (out)  | External 1 source |
^ A4 (in) | External 2 source ^ B4 (out)  | QDC gate              ^ C4 (in)   | Busy 4           ^ D4 (out)  | External 2 source |
^ A5 (in) | Clear busy        ^ B5 (out)  | TDC start             ^ C5 (in)   | Busy 5           ^ D5 (out)  | S800 trigger |
^ A6 (in) | Clear module      ^ B6 (out)  | Trigger register gate ^ C6 (in)   | Busy 6           ^ D6 (out)  | Coincidence trigger |
^ A7 (in) | Gretina sync      ^ B7 (out)  |                       ^ C7 (in)   | Busy 7           ^ D7 (out)  | External 1 trigger |
^ A8 (in) | Time stamp clock  ^ B8 (out)  | Live trigger          ^ C8 (in)   | Time stamp latch ^ D8 (out)  | External 2 trigger|
^         |                   ^ B9 (out)  | Inspect 1             ^ C9 (out)  | Time stamp clock ^ D9 (out)  | Secondary trigger |
^         |                   ^ B10 (out) | Inspect 2             ^ C10 (out) | Time stamp latch ^ D10 (out) | Raw trigger |
^         |                   ^ B11 (out) | Inspect 3             ^ C11 (out) |                  ^ D11 (out) | Live trigger |
^         |                   ^ B12 (out) | Inspect 4             ^ C12 (out) |                  ^ D12 (out) | Raw pulser |
^         |                   ^ B13 (out) | Fast clear            ^ C13 (out) |                  ^ D13 (out) | Live pulser |
^         |                   ^ B14 (out) |                       ^ C14 (out) |                  ^ D14 (out) | Fast clear |
^         |                   ^ B15 (out) | Go                    ^ C15 (out) |                  ^ D15 (out) | 10 Hz |
^         |                   ^ B16 (out) | Time stamp clock      ^ C16 (out) |                  ^ D16 (out) | 1 Hz |